@julian Thanks, my problem is solved.

@brazzerstop you =
I think I've come to the end of the installation. I want final help from you

Enable database authorization in the MongoDB configuration file /etc/mongod.conf by appending the following lines:

security:
  authorization: enabled

"""/etc/mongod.conf """" How do I enter the command?

@phenomlab I reinstalled and deleted it. I think it installed successfully this time.